 <ul class="sidebar-menu" id="chan">
	{%foreach from=$grade_lists key=key item=value%}
		<li class="treeview">
		  <a href="#">
			<i class="glyphicon glyphicon-align-left"></i> <span>{%$value.grade_name%}</span> <i class="fa fa-angle-left pull-right"></i>
		  </a>
			  <ul class="treeview-menu" style="background-color:#fff;">
			  {%foreach from=$value.class_name key=k item=v%}
				<li><a href="index.php?a=classstudent.classstudentlist&class_id={%$k%}"><i class="fa fa-angle-right"></i>{%$v%}</a></li>
			  {%/foreach%}
			  </ul>
		</li>
	 {%/foreach%}
	 <li class="treeview"><a href="index.php?a=classstudent.studentlist"><i class="glyphicon glyphicon-align-left"></i>未分班学生</a></li>
  </ul>


